Combining Like Terms and Adding Polynomials

Which expression is equivalent to:
d + d + d + 3 + 2

• 3d + 5

• d + 5

• 2d + 7

• 3d + 4

5a + 2a + 2a 

• 9a

• 8a

• 7a

Simplify the expression: 
3t + 7y + t + 3y

• 3t + 10y

• 4t + 10y

• 4t + 4y

Simplify  2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

• x²+17x

• 5x²+7x

• -5x²+17x

• 5x²+17x

• A
• B
• C
• D

• 4w²-11w

• 2w²-11w

• 2w²+11w

• 4w²+w

• 3y⁴+3y³+7y²+4y

• 3y⁴+3y³+7y²+4y+6

• 3y⁴+3y³+7y²+6^

• 3y⁴+3y³+7y²+4y-6^

Combine Like Terms: 3x² - 4 + 2x - 5x² + 12

Mathematical Equivalence

ON

Simplify by combining like terms:
5a + 2b - 3a + 4

Mathematical Equivalence

ON